One-for-180 consolidation expected to support potential U.S. exchange listing and broaden investor access Toronto, Ontario--(Newsfile Corp. - June 30, 2026) - Avalon Advanced Materials Inc. (TSX: AVL) (OTCQB: AVLNF) ("Avalon" or the "Company") today announced that shareholders have approved the consolidation of the Company's issued and outstanding common shares (the "Common Shares") and that the Board of Directors has subsequently authorized its implementation on the basis of one post-consolidation Common Share for every 180 pre-consolidation Common Shares (the "Share Consolidation"). At the Company's special meeting of shareholders held on June 29, 2026, the Share Consolidation was approved by 80.107% of the votes cast: Voting result Common Shares Percentage For 249,614,857 80.107% Against 61,987,164 19.893% Total votes cast 311,602,021 100.000% A total of 311,602,021 Common Shares, representing approximately 37.209% of the Company's issued and outstanding Common Shares, were represented in person or by proxy at the meeting.